Dictionary > Endogenous antigen

Endogenous antigen

Definition
noun
Antigen that is produced from within the cell as part of normal cell metabolism or when the cell is infected by bacteria or viruses.
Supplement
For instance, when the virus infects the cell, antigens are formed and presented on the surface of the cell.
Word origin: Greek éndon (within) + French –gène, –gen (yielding, producing) + antigen.
Compare: exogenous antigen

See also: antigen


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